Interference No. 104,649
Page No. 20
F35. Ranalli Figure 4 is provided below:
Of
.4. A0
fin
V-1
F36. Generally, in the apparatus of Ranalli, light from an illumination source 90 is directed up
towards a platen face 18. The light from the illumination source is totally internally reflected
from the platen face in the spaces between a person's fingerprint ridges. Where the skin contacts
the platen, the light is not totally internally reflected. (ZX 201.4, col. 5, lines 47-53). The totally
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Last modified: November 3, 2007